Finding the Fourth Proportional to 141,823.68, 212,620.68 and 53,064.42
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Solution
The fourth proportional to 141,823.68, 212,620.68 and 53,064.42 is: 79,553.66
Step by Step Solution
- Step 1: Write the proportion equation
141,823.68 : 212,620.68 = 53,064.42 : x - Step 2: Convert to fraction form
141,823.68/212,620.68 = 53,064.42/x - Step 3: Cross multiply
141,823.68x = 212,620.68 × 53,064.42 - Step 4: Simplify right side
141,823.68x = 11,282,593,064.21 - Step 5: Solve for x
x = 11,282,593,064.21/141,823.68 - Step 6: Final answer
x = 79,553.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.